Samoa vs Tonga: School life expectancy, pre-primary, adjusted gender parity index
Samoa
1.07 GPIA
in 2024
Tonga
1.07 GPIA
in 2024
Samoa rank
17th
Tonga rank
18th
School life expectancy, pre-primary, adjusted gender parity index over time
- Samoa
- Tonga
How they compare
Samoa currently reports 1.07 GPIA against 1.07 GPIA in Tonga, a difference of 0 GPIA.
The two have swapped places 5 times across 12 shared years of data; in 1975 it was Tonga ahead.
Samoa ranks 17th and Tonga ranks 18th of 199 countries.
Across the 4 decades both report, Samoa averaged higher in 2 and Tonga in 2.
Head to head by decade
| Decade | Samoa | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 1.11 GPIA | 1.36 GPIA | 0.2409 GPIA | Tonga |
| 1990s | 1.15 GPIA | 1.11 GPIA | 0.0342 GPIA | Samoa |
| 2010s | 1.07 GPIA | 1.04 GPIA | 0.0302 GPIA | Samoa |
| 2020s | 1.08 GPIA | 1.08 GPIA | 0.0038 GPIA | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school life expectancy, pre-primary, adjusted gender parity index, Samoa or Tonga?
- Samoa, at 1.07 GPIA against 1.07 GPIA in Tonga as of 2024.
- What is the difference in school life expectancy, pre-primary, adjusted gender parity index between Samoa and Tonga?
- 0 GPIA, with Samoa ahead.
- How many years of comparable data are there for Samoa and Tonga?
- 12 years are reported by both, from 1975 to 2024.
- How do Samoa and Tonga rank globally for school life expectancy, pre-primary, adjusted gender parity index?
- Samoa ranks 17th and Tonga ranks 18th of 199 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as School life expectancy, pre-primary, adjusted gender parity index (GPIA). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release